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Minimum CPU spec to max out 40GbE and 10GbE dual 10GbE simultaneously? (alien.top)

submitted 1 year ago by I-make-ada-spaghetti@alien.top to c/homelab@selfhosted.forum

4 comments fedilink hide all child comments

I'm thinking of setting up a file server that just functions as a file server and has three NICs:

- 10GbE NIC

- 40GbE NIC

- 1GbE NIC

If I am going to max out these connections simultaneously how low can I go in terms of CPU power?

Can I do this with a dual core Pentium? What about a i3-4350?

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[–] Nyanraltotlapun@alien.top 2 points 1 year ago (1 children)

First at all you need to look at L3 cache speed of your CPU.

Second on memory bandwich.

[–] FronoElectronics@alien.top 1 points 1 year ago

Mmmm, bandwich, my favourite food!

[–] merkuron@alien.top 1 points 1 year ago

You’ll definitely need something with fast PCIe lanes for NVMe. Something with either PCIe 4.0 x4 coupled with a very fast SSD, or something with a lot of PCIe 3.0 lanes.

[–] ultrahkr@alien.top 1 points 1 year ago

A dual core will definitely not be enough, alas you need SMB multichannel working on both sides for this to work.